Timemore C3 Pro Review
All-metal C3 with a foldable handle for enhanced portability. Perfect for specialty coffee enthusiasts who travel.

What We Love
Room for Improvement
Technical Specifications
| Microns Per Click | 83μm |
| Weight | 510g |
| Bean Capacity | 20g |
Grind Quality

The C3S Pro runs Timemore's S2C (Spike-to-Cut) conical burrs in stainless steel, 38mm across. That burr geometry is a holdover from the Chestnut C3, and on the pour-over end of the dial it performs very similarly: a clean, reasonably uniform distribution that pulls sweet, balanced cups from medium and light roasts.
Multiple owners describe the cup as leaning toward body and blend rather than high-clarity, which is consistent with a burr set optimised for speed and throughput rather than ultra-narrow particle spread.
What changes versus the C3 is the click. At roughly 83 microns per step, the adjustment is coarse, and for pour-over the practical fallout is a small number of usable settings in the filter range. One owner called the single-click flavour jump too large; another ended up moving to a ZP6 for the same reason.
It's not a deal-breaker for a traveller pulling one or two cups a day, but anyone chasing dialling precision across a full brew range will feel the step size.
Build and Portability

The headline feature is the patented folding handle. It tucks flush into the aluminium body, which makes the C3S Pro genuinely packable in a small bag or carry-on, and reviewers consistently call out how much more compact it is folded than the 1Zpresso equivalent.
The crank sits on a ball bearing rather than a friction-fit clip, which keeps the action smooth and removes the "will this fall off mid-grind?" anxiety that haunts some cheaper hand grinders.
At 510g it's a little heavier than the standard C3, and a small step up from the 423g figure Coffee Chronicler recorded for the non-Pro. That's the trade for the all-metal crank assembly and the folding mechanism.
The grooved aluminium body gives a confident grip even with oily fingers, and there's no anti-static treatment, so a quick tap and brush between doses is part of the routine. It isn't a flaw, just something to know.
Workflow
This is a true single-dose grinder with a roughly 20g hopper, which is well-matched to a 15–18g pour-over recipe. There's no dosing cup or grounds container in the box, so you'll want a small cup or dosing ring ready.
Grind speed is quick for the class: a 20g pour-over dose comes in well under a minute, and the ergonomic handle and ball-bearing mount make the action feel lighter than the weight suggests.
The stepped dial is the workflow's main constraint. Because each click moves a relatively large distance, you'll find one or two "good" settings and live there, rather than tuning by feel across the range. For a travel or office grinder, where consistency matters more than experimentation, that limitation is easy to live with.
How It Stacks Up

Sitting at roughly $95 new on Amazon (with used units near $76), the C3S Pro targets the same buyer as the 1Zpresso Q-Air: someone who wants a sub-$100 hand grinder that genuinely travels. The Q-Air wins on grind refinement and stepless or finer adjustment, but it doesn't fold as flat.
The Timemore C2 Max is cheaper and lighter, but lacks the folding handle and the S2C burr update. If you specifically want something that disappears into a bag and still grinds a respectable pour-over, the C3S Pro is the more travel-ready of the bunch.
Who Should Buy It
Buy the C3S Pro if your priority is a hand grinder you can actually pack. Folding flat, all-metal crank, ball-bearing smoothness, and S2C burrs good enough to make a genuinely tasty filter cup.
Don't buy it if you want espresso-capable fine adjustment, ultra-fine click resolution, or a grinder that runs silent through the full brew range. For a dedicated home pour-over setup, there are better-tuned options in the same money.
The C3S Pro is for the traveller or office brewer who values a folding, all-metal hand grinder that disappears in a bag and still pulls a clean pour-over. It's not for the dial-it-in obsessives chasing ultra-fine click resolution, or anyone who wants a true espresso-capable stepped grinder at this size. If you brew one or two filter cups a day away from home, it's a sensible buy; if your kitchen is your only brewing spot, spend the same money on a non-folding grinder with finer adjustment.
Hassan is a software developer with a coffee problem. Coffee Grinder Index is his attempt to solve it — one grinder at a time.